Transport Canada, the regulatory arm of the Canadian Government commissioned a report from the Canadian Rail Research Laboratory (CaRRL) to investigate the risk mitigation of train to train collisions and other train control preventable accidents. This paper looks at the risks reviewed in the report and proposes a formula to provide a level of mitigation for individual railway lines to use in determining the minimum level of train control as discussed in the CaRRL report. Risks to be included are traffic levels, traffic type, track speed, track configuration, among others. Data used will be taken from the ROD database results used in the CaRRL report.

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